Home / 99,704.35-137,588.63-59,397.23

Finding the Fourth Proportional to 99,704.35, 137,588.63 and 59,397.23

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Solution

The fourth proportional to 99,704.35, 137,588.63 and 59,397.23 is: 81,966.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,704.35 : 137,588.63 = 59,397.23 : x
  2. Step 2: Convert to fraction form
    99,704.35/137,588.63 = 59,397.23/x
  3. Step 3: Cross multiply
    99,704.35x = 137,588.63 × 59,397.23
  4. Step 4: Simplify right side
    99,704.35x = 8,172,383,548.48
  5. Step 5: Solve for x
    x = 8,172,383,548.48/99,704.35
  6. Step 6: Final answer
    x = 81,966.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.